Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Learn with makes water molecules work with this fun and easy science activity!

This science fair project will go beyond the simple definition of conservation to explore the different facets of what conservation means.

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

Find out whether matching resonant frequencies can cause objects to shatter.

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

This science fair project idea teaches what wildlife rehabilitators do and about the process of wildlife rehabilitation.

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

The project idea is to understand how sugar effects brain chemistry.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Science fair project that determines how we can change potential energy into kinetic energy.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

This kids' activity is fun to perform and impressive to watch. Plus, it's a great example of Newton's First Law of Motion at work.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

Make a kindergarten "discovery table" that reinforces both science and writing skills. Here's how:

This science fair project idea examines whether boys and girls differ in reflexes.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.